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    Cutting tool
    2.
    外观设计
    Cutting tool 有权

    公开(公告)号：USD1014585S1

    公开(公告)日：2024-02-13

    申请号：US29699177

    申请日：2019-07-23

    申请人： SUMITOMO ELECTRIC INDUSTRIES, LTD. ,  SUMITOMO ELECTRIC HARDMETAL CORP.

    设计人： Masashi Harada ,  Daisuke Murakami ,  Taisuke Higashi

    摘要： FIG. 1 is a front view of a cutting tool in accordance with the present design;
    FIG. 2 is a rear view thereof;
    FIG. 3 is a right side view thereof;
    FIG. 4 is a left side view thereof;
    FIG. 5 is a top view thereof;
    FIG. 6 is a bottom view thereof;
    FIG. 7 is a perspective view thereof; and,
    FIG. 8 is an enlarged view of portion 8 of FIG. 7.
    The broken lines shown in the drawings represent portions of the cutting tool that form no part of the claimed design.
    The dash dot dash broken lines on FIG. 7 are provided to define the enlargement region shown in FIG. 8 and form no part of the claimed design.

    DRILL
    4.
    发明申请
    DRILL 审中-公开

    公开(公告)号：US20170232529A1

    公开(公告)日：2017-08-17

    申请号：US15504484

    申请日：2015-08-19

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Yuma Kawakami ,  Daisuke Murakami ,  Masaaki Jindai ,  Kenji Kinoshita

    IPC分类号： B23B51/02

    CPC分类号： B23B51/02 ,  B23B51/00 ,  B23B2251/04 ,  B23B2251/08 ,  B23B2251/14 ,  B23B2251/18 ,  Y10T408/9097

    摘要： Provided is a drill having a flat-shaped drill tip and excellent in cutting edge strength and chip removability. The drill includes: a cutting edge extending in a direction at an angle α of not less than 85° and not more than 90° with respect to a drill axis (line O-O); a flank face contiguous to the cutting edge and having a clearance angle β of not less than 5° and not more than 10° with respect to the drill axis (line O-O); and a rake face located opposite to the flank face across the cutting edge, the cutting edge includes a recess receding in a direction parallel to the drill axis (line O-O), and the rake face includes a front clearance formed at a side of an outer periphery of the drill.

    Drill
    5.
    发明授权
    Drill 有权

    公开(公告)号：US10300534B2

    公开(公告)日：2019-05-28

    申请号：US15504484

    申请日：2015-08-19

    申请人： SUMITOMO ELECTRIC HARDMETAL CORP.

    发明人： Yuma Kawakami ,  Daisuke Murakami ,  Masaaki Jindai ,  Keiji Kinoshita

    IPC分类号： B23B51/02 ,  B23B51/00

    摘要： Provided is a drill having a flat-shaped drill tip and excellent in cutting edge strength and chip removability. The drill includes: a cutting edge extending in a direction at an angle α of not less than 85° and not more than 90° with respect to a drill axis (line O-O); a flank face contiguous to the cutting edge and having a clearance angle β of not less than 5° and not more than 10° with respect to the drill axis (line O-O); and a rake face located opposite to the flank face across the cutting edge, the cutting edge includes a recess receding in a direction parallel to the drill axis (line O-O), and the rake face includes a front clearance formed at a side of an outer periphery of the drill.